section,header,article,nav{
    display:block;
}
*{
    padding:0;
    margin:0;
}
body{
    margin:1em 10%;
    background-image:url(../images/BACK.jpg);
    background-attachment: fixed;
    background-position: top left ;
    background-repeat:repeat-x;
    max-width: 80em;
}
header{
    background-image: url(../images/BLUE.jpg);
    background-repeat:repeat;
    background-position: bottom right;

    border-style:solid;
    border-bottom-width:0;
    border-top-width:0;
}
header nav{
    background-image: url(../images/BLACK.jpg);
    border-style:solid;
    border-bottom-width: 0;

    padding-left:10%;
}
header nav ul{
    width:100%;

    overflow:hidden;
    border-left-width:.1em;
    border-left-style:solid;
}
header nav li{
    display:inline;
}
header nav li a{
    display :block;
    float: left;
    padding:.5em 2em;
    border-right:.1em solid;
}
article{
    border-width:.1em;
    border-style:solid;
    border-top-width:0;
    padding:2em 10%;
    line-height:1.8em;
}
article img{
    border-width:.1em;
    border-style: solid;
    outline-width:.1em;
    outline-style:solid;
}